Home / 57,726.20-86,589.30-55,998.20

Finding the Fourth Proportional to 57,726.20, 86,589.30 and 55,998.20

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Solution

The fourth proportional to 57,726.20, 86,589.30 and 55,998.20 is: 83,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,726.20 : 86,589.30 = 55,998.20 : x
  2. Step 2: Convert to fraction form
    57,726.20/86,589.30 = 55,998.20/x
  3. Step 3: Cross multiply
    57,726.20x = 86,589.30 × 55,998.20
  4. Step 4: Simplify right side
    57,726.20x = 4,848,844,939.26
  5. Step 5: Solve for x
    x = 4,848,844,939.26/57,726.20
  6. Step 6: Final answer
    x = 83,997.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.